/*
============================================================================
The Apache Software License, Version 1.1
============================================================================
Copyright (C) 2004 The Apache Software Foundation. All rights reserved.
Redistribution and use in source and binary forms, with or without modifica-
tion, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. The end-user documentation included with the redistribution, if any, must
include the following acknowledgment: "This product includes software
developed by the Apache Software Foundation (http://www.apache.org/)."
Alternately, this acknowledgment may appear in the software itself, if
and wherever such third-party acknowledgments normally appear.
4. The names "Apache Cocoon" and "Apache Software Foundation" must not be
used to endorse or promote products derived from this software without
prior written permission. For written permission, please contact
apache@apache.org.
5. Products derived from this software may not be called "Apache", nor may
"Apache" appear in their name, without prior written permission of the
Apache Software Foundation.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.apache.cocoon.portal.pluto.om.common;
import java.util.Collection;
import java.util.HashSet;
import java.util.Iterator;
import javax.portlet.PreferencesValidator;
import org.apache.pluto.om.common.Preference;
import org.apache.pluto.om.common.PreferenceSet;
import org.apache.pluto.om.common.PreferenceSetCtrl;
import org.apache.pluto.util.StringUtils;
/**
*
*
* @author <a href="mailto:cziegeler@apache.org">Carsten Ziegeler</a>
*
* @version CVS $Id: PreferenceSetImpl.java,v 1.1 2004/01/22 14:01:20 cziegeler Exp $
*/
public class PreferenceSetImpl extends HashSet
implements PreferenceSet, PreferenceSetCtrl, java.io.Serializable {
private String castorPreferencesValidator;
private ClassLoader classLoader;
// PreferenceSet implementation.
public Preference get(String name)
{
Iterator iterator = this.iterator();
while (iterator.hasNext()) {
Preference preference = (Preference)iterator.next();
if (preference.getName().equals(name)) {
return preference;
}
}
return null;
}
public PreferencesValidator getPreferencesValidator()
{
if (this.classLoader == null)
throw new IllegalStateException("Portlet class loader not yet available to load preferences validator.");
if (castorPreferencesValidator == null)
return null;
try {
Object validator = classLoader.loadClass(castorPreferencesValidator).newInstance();
if (validator instanceof PreferencesValidator)
return(PreferencesValidator)validator;
} catch (Exception ignore) {
}
return null;
}
// PreferenceSetCtrl implementation.
public Preference add(String name, Collection values)
{
PreferenceImpl preference = new PreferenceImpl();
preference.setName(name);
preference.setValues(values);
super.add(preference);
return preference;
}
public Preference remove(String name)
{
Iterator iterator = this.iterator();
while (iterator.hasNext()) {
Preference preference = (Preference)iterator.next();
if (preference.getName().equals(name)) {
super.remove(preference);
return preference;
}
}
return null;
}
public void remove(Preference preference)
{
super.remove(preference);
}
// additional methods.
public String toString()
{
return toString(0);
}
public String toString(int indent)
{
StringBuffer buffer = new StringBuffer(50);
StringUtils.newLine(buffer,indent);
buffer.append(getClass().toString());
buffer.append(": ");
Iterator iterator = this.iterator();
while (iterator.hasNext()) {
buffer.append(((PreferenceImpl)iterator.next()).toString(indent+2));
}
return buffer.toString();
}
// additional internal methods
public String getCastorPreferencesValidator()
{
return castorPreferencesValidator;
}
public void setCastorPreferencesValidator(String castorPreferencesValidator)
{
this.castorPreferencesValidator = castorPreferencesValidator;
}
public Collection getCastorPreferences()
{
return this;
}
public void setClassLoader(ClassLoader loader)
{
this.classLoader = loader;
}
/**
* @see java.util.Collection#addAll(Collection)
* makes a deep copy
*/
public boolean addAll(Collection c) {
Iterator it = c.iterator();
while (it.hasNext()) {
PreferenceImpl pref = (PreferenceImpl) it.next();
this.add(pref.getName(), pref.getClonedCastorValuesAsCollection());
}
return true; //always assume something changed
}
}